170 lines
5.8 KiB
C++
170 lines
5.8 KiB
C++
/*
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* Copyright (C) 2016-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "SVGLengthContext.h"
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#include "SVGLengthValue.h"
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#include "SVGValueProperty.h"
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namespace WebCore {
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class SVGLength : public SVGValueProperty<SVGLengthValue> {
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using Base = SVGValueProperty<SVGLengthValue>;
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using Base::Base;
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using Base::m_value;
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public:
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// Forward declare these enums in the w3c naming scheme, for IDL generation
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enum {
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SVG_LENGTHTYPE_UNKNOWN = static_cast<unsigned>(SVGLengthType::Unknown),
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SVG_LENGTHTYPE_NUMBER = static_cast<unsigned>(SVGLengthType::Number),
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SVG_LENGTHTYPE_PERCENTAGE = static_cast<unsigned>(SVGLengthType::Percentage),
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SVG_LENGTHTYPE_EMS = static_cast<unsigned>(SVGLengthType::Ems),
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SVG_LENGTHTYPE_EXS = static_cast<unsigned>(SVGLengthType::Exs),
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SVG_LENGTHTYPE_PX = static_cast<unsigned>(SVGLengthType::Pixels),
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SVG_LENGTHTYPE_CM = static_cast<unsigned>(SVGLengthType::Centimeters),
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SVG_LENGTHTYPE_MM = static_cast<unsigned>(SVGLengthType::Millimeters),
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SVG_LENGTHTYPE_IN = static_cast<unsigned>(SVGLengthType::Inches),
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SVG_LENGTHTYPE_PT = static_cast<unsigned>(SVGLengthType::Points),
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SVG_LENGTHTYPE_PC = static_cast<unsigned>(SVGLengthType::Picas)
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};
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static Ref<SVGLength> create()
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{
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return adoptRef(*new SVGLength());
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}
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static Ref<SVGLength> create(const SVGLengthValue& value)
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{
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return adoptRef(*new SVGLength(value));
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}
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static Ref<SVGLength> create(SVGPropertyOwner* owner, SVGPropertyAccess access, const SVGLengthValue& value = { })
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{
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return adoptRef(*new SVGLength(owner, access, value));
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}
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template<typename T>
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static ExceptionOr<Ref<SVGLength>> create(ExceptionOr<T>&& value)
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{
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if (value.hasException())
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return value.releaseException();
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return adoptRef(*new SVGLength(value.releaseReturnValue()));
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}
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Ref<SVGLength> clone() const
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{
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return SVGLength::create(m_value);
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}
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unsigned short unitType() const
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{
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return static_cast<unsigned>(m_value.lengthType());
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}
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ExceptionOr<float> valueForBindings()
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{
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return m_value.valueForBindings(SVGLengthContext { contextElement() });
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}
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ExceptionOr<void> setValueForBindings(float value)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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auto result = m_value.setValue(SVGLengthContext { contextElement() }, value);
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if (result.hasException())
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return result;
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commitChange();
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return result;
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}
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float valueInSpecifiedUnits()
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{
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return m_value.valueInSpecifiedUnits();
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}
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ExceptionOr<void> setValueInSpecifiedUnits(float valueInSpecifiedUnits)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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m_value.setValueInSpecifiedUnits(valueInSpecifiedUnits);
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commitChange();
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return { };
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}
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ExceptionOr<void> setValueAsString(const String& value)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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auto result = m_value.setValueAsString(value);
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if (result.hasException())
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return result;
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commitChange();
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return result;
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}
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ExceptionOr<void> newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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if (unitType == SVG_LENGTHTYPE_UNKNOWN || unitType > SVG_LENGTHTYPE_PC)
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return Exception { NotSupportedError };
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m_value = { valueInSpecifiedUnits, static_cast<SVGLengthType>(unitType), m_value.lengthMode() };
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commitChange();
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return { };
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}
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ExceptionOr<void> convertToSpecifiedUnits(unsigned short unitType)
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{
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if (isReadOnly())
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return Exception { NoModificationAllowedError };
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if (unitType == SVG_LENGTHTYPE_UNKNOWN || unitType > SVG_LENGTHTYPE_PC)
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return Exception { NotSupportedError };
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auto result = m_value.convertToSpecifiedUnits(SVGLengthContext { contextElement() }, static_cast<SVGLengthType>(unitType));
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if (result.hasException())
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return result;
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commitChange();
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return result;
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}
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String valueAsString() const override
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{
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return m_value.valueAsString();
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}
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};
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} // namespace WebCore
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